package com.lagou.edu.servlet;

import com.lagou.edu.annotition.MyAutowired;
import com.lagou.edu.factory.BeanFactory;
import com.lagou.edu.factory.ProxyFactory;
import com.lagou.edu.pojo.Result;
import com.lagou.edu.service.TransferService;
import com.lagou.edu.utils.JsonUtils;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet(name = "transferServlet", urlPatterns = "/transferServlet")
public class TransferServlet extends HttpServlet {

	// 1. 实例化service层对象
	//private TransferService transferService = new TransferServiceImpl();
//	private TransferService transferService = (TransferService) BeanFactory.getBean("transferService");

	//先拿到代理对象
//	private ProxyFactory proxyFactory = (ProxyFactory) BeanFactory.getBean("proxyFactory");
	//再获取service对象
//	private TransferService transferService = (TransferService) proxyFactory.getCglibProxy(BeanFactory.getBean("transferService"));


	private TransferService transferService = (TransferService) BeanFactory.getBean("transferService");


	@Override
	protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		doPost(req, resp);
	}

	@Override
	protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		// 设置请求体的字符编码
		req.setCharacterEncoding("UTF-8");

		String fromCardNo = req.getParameter("fromCardNo");
		String toCardNo = req.getParameter("toCardNo");
		String moneyStr = req.getParameter("money");
		int money = Integer.parseInt(moneyStr);

		Result result = new Result();

		try {
			// 2. 调用service层方法
			System.out.println("fromCardNo=" + fromCardNo + "\ntoCardNo=" + toCardNo + "\nmoney=" + money);
			transferService.transfer(fromCardNo, toCardNo, money);
			result.setStatus("200");
		} catch (Exception e) {
			e.printStackTrace();
			result.setStatus("201");
			result.setMessage(e.toString());
		}

		// 响应
		resp.setContentType("application/json;charset=utf-8");
		resp.getWriter().print(JsonUtils.object2Json(result));
	}
}
